● Working voltage 70/100V, multiple terminals, suitable for different occasions; ● MAX. SPL. 104±2dB, effective frequency range 60Hz – 18kHz; ● Powerful movable clip design, easy to install; ● Weight 0.8Kg, high-quality engineering plastics, durable, no deformation, no fading; ● Speaker dangling edge damping treatment, long service life, high sensitivity (94±2dB), clear and bright sound.